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**Materials **
In 2009, the global production of polysilicon reached 84,500 tons, an increase of 47.2% compared with 2008. Among them, Hemlock ranked first in the United States, with a production of 27,500 tons; Germany Wacker ranked second with a production of 16,000 tons.
Other important polysilicon producers include Tokuyama, Yuling, MEMC, SGS and ASiMI (both of which are owned by REC). The above seven companies are known as the traditional seven in the polysilicon field. plant.
China's polysilicon production has jumped in recent years. On the one hand, it was stimulated by the surge in international polysilicon prices in early 2008. On the one hand, it was supported by the National Development and Reform Commission. In 2009, China's polysilicon production was 20,230 tons.
As of the end of April 2010, 25 companies in China have been engaged in polysilicon production, with a production scale of 57,000 tons/year, and nearly 18 companies are building polysilicon projects or expansion projects with a capacity of 50,000 tons per year.
Domestic polysilicon producers include GCL-Poly Energy, Jiangxi LDK, Ledian Tianwei and Xinguang Silicon (both of which are Tianwei Baobian and Leshan Power's shareholding subsidiaries).
**Solar battery company**
China is one of the world's largest suppliers of solar panels, but its products are rarely used domestically. Among the top ten solar cell companies in the world last year, China and Taiwan companies occupied half of the seats.
According to international analysis agency Photon International, the world's largest solar cell companies in 2009 are the US thin-film solar plant First Solar, China Suntech Power and Japan Sharp, with output of 1,100MW, 704MW and 595MW respectively.
Other major manufacturers are Germany Q-Cells, China Yingli Green Energy Holdings, Jingao Solar, Japan Kyocera, China Trina Solar (Trina Solar), US SunPower, and Taiwan Jingjing.
And JA Solar has raised its output target to 1.35 GW this year, far exceeding the 1.1 GW of Q-Cells in the same period. It has become the world's largest producer of photovoltaic cells. Suntech's target for this year is 1.3 GW.
According to the forecast of consulting firm iSupply, the global demand for photovoltaic cells this year is 14.2GW. The demand for photovoltaic cells in the industry next year is about 17-18GW.
In addition, Chinese solar cell manufacturers listed overseas include CSI Canadian Solar Inc, Zhejiang Renesola, Nanjing CLP, Jiangsu Linyang New Energy, LDK, etc. Chuangyi Solar is currently working Conducting IPO financing in Hong Kong.
In 2009, the total output of photovoltaic cells in the world was 9,340MW, a year-on-year increase of 36.35%. In the same year, China's photovoltaic cell production was 4,382MW, a year-on-year increase of 66.24%, accounting for 46.92% of global production, but more than 95% of its products were exported abroad.
**Photovoltaic power generation related companies**
In countries with more developed solar power generation such as Germany and Japan, the government subsidizes the promotion of household solar power. In addition to self-use, the rich electricity is acquired by the state and merged into the grid.
Enterprises interested in the layout of domestic photovoltaic power generation industry include five major power groups: Huaneng, Datang, Huadian, Guodian, China Power Investment, and power grid operators: State Grid, China Southern Power Grid and local power grids, China Energy Conservation, China Guangdong Nuclear Power and other central enterprises, Suntech, Poly Photovoltaic production companies such as GCL also have layouts in the field of photovoltaic power plant construction.
First Solar previously announced plans to build the world's largest photovoltaic power plant in Inner Mongolia from 2011. It is estimated that the total installed capacity will reach 2GW after the completion of the four phases in 2019.
Suntech and other domestic manufacturers are also actively expanding into the international market. Suntech announced in November last year that it plans to invest 10 million US dollars to build the first solar power plant in the United States. In August this year, it signed a solar power plant with a capacity of up to 100MW in South Africa.
Basic overview of important enterprises in global and Chinese photovoltaic power generation
Reuters, September 17th -- Solar photovoltaic power generation as a renewable energy source is causing widespread concern in various countries. The following is a background introduction of important PV industry companies collected by Reuters.